GB2539917B - Method and apparatus for conversion of HDR signals - Google Patents

Method and apparatus for conversion of HDR signals Download PDF

Info

Publication number
GB2539917B
GB2539917B GB1511495.2A GB201511495A GB2539917B GB 2539917 B GB2539917 B GB 2539917B GB 201511495 A GB201511495 A GB 201511495A GB 2539917 B GB2539917 B GB 2539917B
Authority
GB
United Kingdom
Prior art keywords
conversion
hdr signals
hdr
signals
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
GB1511495.2A
Other versions
GB2539917A (en
GB201511495D0 (en
Inventor
Borer Timothy
Cotton Andrew
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
British Broadcasting Corp
Original Assignee
British Broadcasting Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by British Broadcasting Corp filed Critical British Broadcasting Corp
Priority to GB1511495.2A priority Critical patent/GB2539917B/en
Publication of GB201511495D0 publication Critical patent/GB201511495D0/en
Priority to US15/196,276 priority patent/US10455209B2/en
Priority to PL16736590.7T priority patent/PL3318052T3/en
Priority to PCT/GB2016/051983 priority patent/WO2017001858A1/en
Priority to CA2990569A priority patent/CA2990569A1/en
Priority to ES16736590T priority patent/ES2912904T3/en
Priority to AU2016285256A priority patent/AU2016285256B2/en
Priority to EP16736590.7A priority patent/EP3318052B1/en
Priority to KR1020187002322A priority patent/KR102670327B1/en
Priority to BR112018000078A priority patent/BR112018000078A2/en
Priority to JP2017568260A priority patent/JP6876007B2/en
Publication of GB2539917A publication Critical patent/GB2539917A/en
Priority to US16/585,570 priority patent/US10848729B2/en
Application granted granted Critical
Publication of GB2539917B publication Critical patent/GB2539917B/en
Priority to JP2021073559A priority patent/JP7101288B2/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/40—Image enhancement or restoration using histogram techniques
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/77—Circuits for processing the brightness signal and the chrominance signal relative to each other, e.g. adjusting the phase of the brightness signal relative to the colour signal, correcting differential gain or differential phase
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/64—Circuits for processing colour signals
    • H04N9/68—Circuits for processing colour signals for controlling the amplitude of colour signals, e.g. automatic chroma control circuits
    • H04N9/69—Circuits for processing colour signals for controlling the amplitude of colour signals, e.g. automatic chroma control circuits for modifying the colour signals by gamma correction
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
    • G09G5/02—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the way in which colour is displayed
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/90—Dynamic range modification of images or parts thereof
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/90—Dynamic range modification of images or parts thereof
    • G06T5/92—Dynamic range modification of images or parts thereof based on global image properties
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/14—Picture signal circuitry for video frequency region
    • H04N5/20—Circuitry for controlling amplitude response
    • H04N5/202—Gamma control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/01—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level
    • H04N7/0125—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level one of the standards being a high definition standard
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/64—Circuits for processing colour signals
    • H04N9/68—Circuits for processing colour signals for controlling the amplitude of colour signals, e.g. automatic chroma control circuits
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/20—Special algorithmic details
    • G06T2207/20172—Image enhancement details
    • G06T2207/20208—High dynamic range [HDR] image processing
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/02—Improving the quality of display appearance
    • G09G2320/0271—Adjustment of the gradation levels within the range of the gradation scale, e.g. by redistribution or clipping
    • G09G2320/0276—Adjustment of the gradation levels within the range of the gradation scale, e.g. by redistribution or clipping for the purpose of adaptation to the characteristics of a display device, i.e. gamma correction
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2340/00—Aspects of display data processing
    • G09G2340/06—Colour space transformation
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2360/00—Aspects of the architecture of display systems
    • G09G2360/16—Calculation or use of calculated indices related to luminance levels in display data
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2370/00—Aspects of data communication
    • G09G2370/04—Exchange of auxiliary data, i.e. other than image data, between monitor and graphics controller
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
    • G09G5/10—Intensity circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Processing Of Color Television Signals (AREA)
  • Image Processing (AREA)
  • Controls And Circuits For Display Device (AREA)
  • Picture Signal Circuits (AREA)
  • Color Television Systems (AREA)
GB1511495.2A 2015-06-30 2015-06-30 Method and apparatus for conversion of HDR signals Active GB2539917B (en)

Priority Applications (13)

Application Number Priority Date Filing Date Title
GB1511495.2A GB2539917B (en) 2015-06-30 2015-06-30 Method and apparatus for conversion of HDR signals
US15/196,276 US10455209B2 (en) 2015-06-30 2016-06-29 Method and apparatus for conversion of HDR signals
BR112018000078A BR112018000078A2 (en) 2015-06-30 2016-06-30 method and apparatus for converting hdr signals
PL16736590.7T PL3318052T3 (en) 2015-06-30 2016-06-30 Method and apparatus for conversion of hdr signals
CA2990569A CA2990569A1 (en) 2015-06-30 2016-06-30 Method and apparatus for conversion of hdr signals
ES16736590T ES2912904T3 (en) 2015-06-30 2016-06-30 Method and apparatus for conversion of HDR signals
AU2016285256A AU2016285256B2 (en) 2015-06-30 2016-06-30 Method and apparatus for conversion of HDR signals
EP16736590.7A EP3318052B1 (en) 2015-06-30 2016-06-30 Method and apparatus for conversion of hdr signals
KR1020187002322A KR102670327B1 (en) 2015-06-30 2016-06-30 Method and apparatus for HDR signal conversion
PCT/GB2016/051983 WO2017001858A1 (en) 2015-06-30 2016-06-30 Method and apparatus for conversion of hdr signals
JP2017568260A JP6876007B2 (en) 2015-06-30 2016-06-30 Methods and devices for converting HDR signals
US16/585,570 US10848729B2 (en) 2015-06-30 2019-09-27 Method and apparatus for conversion of HDR signals
JP2021073559A JP7101288B2 (en) 2015-06-30 2021-04-23 Methods and devices for converting HDR signals

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1511495.2A GB2539917B (en) 2015-06-30 2015-06-30 Method and apparatus for conversion of HDR signals

Publications (3)

Publication Number Publication Date
GB201511495D0 GB201511495D0 (en) 2015-08-12
GB2539917A GB2539917A (en) 2017-01-04
GB2539917B true GB2539917B (en) 2021-04-07

Family

ID=53872472

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1511495.2A Active GB2539917B (en) 2015-06-30 2015-06-30 Method and apparatus for conversion of HDR signals

Country Status (10)

Country Link
US (2) US10455209B2 (en)
EP (1) EP3318052B1 (en)
JP (2) JP6876007B2 (en)
AU (1) AU2016285256B2 (en)
BR (1) BR112018000078A2 (en)
CA (1) CA2990569A1 (en)
ES (1) ES2912904T3 (en)
GB (1) GB2539917B (en)
PL (1) PL3318052T3 (en)
WO (1) WO2017001858A1 (en)

Families Citing this family (45)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2539917B (en) 2015-06-30 2021-04-07 British Broadcasting Corp Method and apparatus for conversion of HDR signals
EP3330959A4 (en) * 2015-07-31 2019-07-17 Sony Corporation Video signal processing device, method for processing video signal, and display device
JP6320440B2 (en) 2015-08-04 2018-05-09 ドルビー ラボラトリーズ ライセンシング コーポレイション Signal reconstruction for high dynamic range signals
US10264196B2 (en) 2016-02-12 2019-04-16 Contrast, Inc. Systems and methods for HDR video capture with a mobile device
US10257394B2 (en) 2016-02-12 2019-04-09 Contrast, Inc. Combined HDR/LDR video streaming
AU2017308749A1 (en) 2016-08-09 2019-02-21 Contrast, Inc. Real-time HDR video for vehicle control
KR102340082B1 (en) * 2016-09-20 2021-12-15 소니그룹주식회사 Image signal processing apparatus, image signal processing method, and image signal processing system
EP3522514A4 (en) * 2016-09-28 2019-08-07 Panasonic Intellectual Property Management Co., Ltd. Adjusting device, adjusting method, and program
KR102554379B1 (en) * 2016-10-31 2023-07-11 엘지디스플레이 주식회사 Image processing method and module for high dynamic range (hdr) and display device using the same
EP3367689A1 (en) 2017-02-24 2018-08-29 Ymagis Signal encoding and decoding for high contrast theatrical display
JP6860415B2 (en) * 2017-05-15 2021-04-14 日本放送協会 Video signal converter, dynamic range converter and their programs
WO2019014057A1 (en) 2017-07-10 2019-01-17 Contrast, Inc. Stereoscopic camera
EP3697098A1 (en) 2017-10-12 2020-08-19 Sony Corporation Image processing device, image processing method, transmission device, transmission method and reception device
US10832613B2 (en) * 2018-03-07 2020-11-10 At&T Intellectual Property I, L.P. Image format conversion using luminance-adaptive dithering
EP3557875A1 (en) * 2018-04-19 2019-10-23 Ymagis Multidynamic transport and restitution system for theatrical display
US10951888B2 (en) 2018-06-04 2021-03-16 Contrast, Inc. Compressed high dynamic range video
JP7003304B2 (en) 2018-06-18 2022-01-20 ドルビー ラボラトリーズ ライセンシング コーポレイション Imaging method and system
CN108900823B (en) 2018-07-05 2019-07-12 华为技术有限公司 A kind of method and device of video frequency signal processing
JP7096731B2 (en) * 2018-08-03 2022-07-06 日本放送協会 Signal processing equipment, display equipment, imaging equipment and programs
US11341890B2 (en) 2018-10-25 2022-05-24 Baylor University System and method for a multi-primary wide gamut color system
US11043157B2 (en) 2018-10-25 2021-06-22 Baylor University System and method for a six-primary wide gamut color system
US11587491B1 (en) 2018-10-25 2023-02-21 Baylor University System and method for a multi-primary wide gamut color system
US11030934B2 (en) 2018-10-25 2021-06-08 Baylor University System and method for a multi-primary wide gamut color system
US11069279B2 (en) 2018-10-25 2021-07-20 Baylor University System and method for a multi-primary wide gamut color system
US11289000B2 (en) 2018-10-25 2022-03-29 Baylor University System and method for a multi-primary wide gamut color system
US11475819B2 (en) 2018-10-25 2022-10-18 Baylor University System and method for a multi-primary wide gamut color system
US11410593B2 (en) 2018-10-25 2022-08-09 Baylor University System and method for a multi-primary wide gamut color system
US11373575B2 (en) 2018-10-25 2022-06-28 Baylor University System and method for a multi-primary wide gamut color system
US11315467B1 (en) 2018-10-25 2022-04-26 Baylor University System and method for a multi-primary wide gamut color system
US11189210B2 (en) 2018-10-25 2021-11-30 Baylor University System and method for a multi-primary wide gamut color system
US11403987B2 (en) 2018-10-25 2022-08-02 Baylor University System and method for a multi-primary wide gamut color system
US11062638B2 (en) 2018-10-25 2021-07-13 Baylor University System and method for a multi-primary wide gamut color system
US11037481B1 (en) 2018-10-25 2021-06-15 Baylor University System and method for a multi-primary wide gamut color system
US11069280B2 (en) 2018-10-25 2021-07-20 Baylor University System and method for a multi-primary wide gamut color system
US10950161B2 (en) 2018-10-25 2021-03-16 Baylor University System and method for a six-primary wide gamut color system
US11488510B2 (en) 2018-10-25 2022-11-01 Baylor University System and method for a multi-primary wide gamut color system
US10997896B2 (en) 2018-10-25 2021-05-04 Baylor University System and method for a six-primary wide gamut color system
US11289003B2 (en) 2018-10-25 2022-03-29 Baylor University System and method for a multi-primary wide gamut color system
US10950162B2 (en) 2018-10-25 2021-03-16 Baylor University System and method for a six-primary wide gamut color system
US10607527B1 (en) 2018-10-25 2020-03-31 Baylor University System and method for a six-primary wide gamut color system
US11532261B1 (en) 2018-10-25 2022-12-20 Baylor University System and method for a multi-primary wide gamut color system
US11302287B1 (en) * 2020-11-10 2022-04-12 Microsoft Technology Licensing, Llc Color correction in computing systems for color vision deficiency
WO2022245624A1 (en) * 2021-05-19 2022-11-24 Dolby Laboratories Licensing Corporation Display management with position-varying adaptivity to ambient light and/or non-display-originating surface light
GB2608990A (en) * 2021-07-08 2023-01-25 British Broadcasting Corp Method and apparatus for conversion of HDR signals
US11657778B2 (en) 2021-09-10 2023-05-23 Dell Products L.P. On demand display source presentation at a partial display area

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050117799A1 (en) * 2003-12-01 2005-06-02 Chiou-Shann Fuh Method and apparatus for transforming a high dynamic range image into a low dynamic range image
WO2013046095A1 (en) * 2011-09-27 2013-04-04 Koninklijke Philips Electronics N.V. Apparatus and method for dynamic range transforming of images
WO2015007505A1 (en) * 2013-07-18 2015-01-22 Koninklijke Philips N.V. Methods and apparatuses for creating code mapping functions for encoding an hdr image, and methods and apparatuses for use of such encoded images

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7227666B1 (en) * 2000-09-01 2007-06-05 Adobe Systems Incorporated Dynamic selection of rendering intent for color proofing transforms
JP4145888B2 (en) * 2005-03-23 2008-09-03 セイコーエプソン株式会社 Display device and display method
US9443327B2 (en) * 2008-08-06 2016-09-13 Adobe Systems Incorporated Rendering and un-rendering using profile replacement
US8988552B2 (en) * 2011-09-26 2015-03-24 Dolby Laboratories Licensing Corporation Image formats and related methods and apparatuses
WO2014128586A1 (en) * 2013-02-21 2014-08-28 Koninklijke Philips N.V. Improved hdr image encoding and decoding methods and devices
GB2539917B (en) 2015-06-30 2021-04-07 British Broadcasting Corp Method and apparatus for conversion of HDR signals

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050117799A1 (en) * 2003-12-01 2005-06-02 Chiou-Shann Fuh Method and apparatus for transforming a high dynamic range image into a low dynamic range image
WO2013046095A1 (en) * 2011-09-27 2013-04-04 Koninklijke Philips Electronics N.V. Apparatus and method for dynamic range transforming of images
WO2015007505A1 (en) * 2013-07-18 2015-01-22 Koninklijke Philips N.V. Methods and apparatuses for creating code mapping functions for encoding an hdr image, and methods and apparatuses for use of such encoded images

Also Published As

Publication number Publication date
JP2021114327A (en) 2021-08-05
US10455209B2 (en) 2019-10-22
JP2018526864A (en) 2018-09-13
AU2016285256A1 (en) 2018-02-01
US20170006273A1 (en) 2017-01-05
EP3318052A1 (en) 2018-05-09
BR112018000078A2 (en) 2018-08-28
EP3318052B1 (en) 2022-03-16
CA2990569A1 (en) 2017-01-05
ES2912904T3 (en) 2022-05-30
PL3318052T3 (en) 2022-07-18
JP7101288B2 (en) 2022-07-14
AU2016285256B2 (en) 2020-09-03
US20200099909A1 (en) 2020-03-26
WO2017001858A1 (en) 2017-01-05
GB2539917A (en) 2017-01-04
JP6876007B2 (en) 2021-05-26
GB201511495D0 (en) 2015-08-12
KR20180039053A (en) 2018-04-17
US10848729B2 (en) 2020-11-24

Similar Documents

Publication Publication Date Title
PL3318052T3 (en) Method and apparatus for conversion of hdr signals
GB201502016D0 (en) Method and apparatus for conversion of hdr signals
HK1252413A1 (en) Method of culturing akkermansia
SG11201708059PA (en) System and method of waveform design for operation bandwidth extension
EP3709691C0 (en) Method and apparatus for profile download of group devices
SG10201801253QA (en) Stirred Cell And Method Of Using Same
EP3079424A4 (en) Timeslot scheduling apparatus and method
IL251638A0 (en) System and method for oxidation of ammonia
PL3107651T3 (en) Reactor arrangement and method of using such reactor arrangement
HK1221584A1 (en) System and method for hdr imaging hdr
ZA201806384B (en) Method and apparatus for energy conversion
EP3329665A4 (en) Method of imaging moving object and imaging device
ZA201605131B (en) System and method for remote assessment of quality of construction
GB2538595B (en) Press apparatus and methods of controlling same
SG11201710588VA (en) Login method and apparatus of loss reported account
PL3148340T3 (en) Apparatus and method for positioning of shrimp
HK1232248A1 (en) System and method for application of chromic compositions
GB201516706D0 (en) Method and apparatus for interference reduction
HK1258340A1 (en) Apparatus and methods for alternative coatings applicable to metal
GB201412911D0 (en) Apparatus and method of use of apparatus for receiving projectiles
HK1257817A1 (en) Method and apparatus for making panigacci
PL3356785T3 (en) Apparatus and method for sampling
GB201602076D0 (en) Sampling apparatus and method of use thereof
GB2525403B (en) Device and method for acquisition and transfer of signals
GB201411093D0 (en) Method and apparatus for signal enhancement by reduction of noise